LOOFORE 2-Pack 12oz Glass Coffee Mugs w/Handle & Spoon, Hot/Cold

Espresso coffee latte hot and cold drinks tea cappuccino milkshake Juice beer iced drinks iced coffee. Are these Glass Coffee Mugs lead & BPA free?. Borosilicate glass allows the espresso shot glass to withstand a sudden temperature difference of -20°C-150°C.